AI quick summary
- Cadence is how fast you pedal, in crank revolutions per minute; an efficient range for most riding sits around 80–100 rpm.
- High cadence (lighter gear, faster spin) shifts load from your muscles to your heart and lungs; low cadence grinds more on the legs.
- Don't chase a number — train a comfortable range and match cadence to terrain, effort, and fatigue.
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What cadence is
Cadence is simply how fast you turn the pedals, measured in revolutions per minute (rpm). For any given speed you can ride a hard gear slowly (low cadence) or an easier gear quickly (high cadence) — the watts can be identical, but the strain on your body is very different.
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The efficient range
Most riders settle into an efficient cadence somewhere around 80–100 rpm for sustained riding, with experienced riders often hovering near 90. Newer riders almost always grind too slowly — 60–70 rpm in far too big a gear — which torches the legs and fatigues muscles fast. Simply shifting down and spinning a little faster is one of the biggest free gains in cycling.
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High vs low cadence
A high cadence (95–110 rpm) in a light gear shifts the work toward your cardiovascular system: your heart and lungs do more, your legs do less, and you clear lactate faster — useful for sustained efforts and saving your legs over long days. A low cadence (60–75 rpm, 'mashing') in a hard gear is more muscular: more force per pedal stroke, more leg strain, and quicker local fatigue — useful for short bursts, steep climbs out of the saddle, and sprints, but costly if you do it all day.
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How to improve yours
Don't force a single target rpm. Instead, practice holding a relaxed 90-ish rpm on flat ground, learn to spin smoothly without bouncing, and use your gears constantly to keep cadence steady as the terrain changes. Over a few weeks, your comfortable range widens and your legs fatigue less for the same power.
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Common mistakes
Grinding a huge gear to feel strong — it just fatigues muscles faster. Letting cadence collapse on climbs until you're stamping on the pedals. And chasing a pro's 100+ rpm before you can spin smoothly at 90. Cadence is a tool for sparing your legs, not a number to show off.
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